Book excerpt: When a gunshot victim dies in front of Betsy Michaels, his last words make her a killer's next target. The undercover agent investigating the murder is none other than Mark Webber, the man who'd broken her heart. Now she has to trust him with her life. Mark feels duty bound to protect Betsy from the drug smugglers responsible for his partner's death. Yet every time he looks at her, he's reminded of the choices he made that hurt Betsy to the core. And despite their rekindled attraction, this time the danger isn't just to their hearts.